Questions & Answers about Ako ovo rešenje ne bude dobro, tražićemo novo rešenje.
Because the sentence talks about a possible future situation.
- nije dobro = is not good now, in the present
- ne bude dobro = is not good / does not turn out good at that future point
After ako when Serbian refers to a future condition, it very often uses the form bude rather than a present-tense form like je.
So:
- Ako ovo rešenje nije dobro... = if this solution is not good (now)
- Ako ovo rešenje ne bude dobro... = if this solution is not good / does not prove good (when the time comes)
Bude is the special form of biti used in future-dependent clauses like this one.
In traditional grammar, this is treated as future II of biti. In practice, learners usually just need to remember:
- after ako
- future meaning, Serbian often uses budem / budeš / bude / budemo / budete / budu
So Ako ovo rešenje ne bude dobro... is a very standard pattern.
Because Serbian future I can be formed with the auxiliary ću, ćeš, će, ćemo, ćete, će attached to the infinitive stem.